Fix fwrite return value bug reported by Matthias Kilian <kili@outback.escape.de>.
Fix fwrite return value bug reported by Matthias Kilian <kili@outback.escape.de>.

hwoarang/uClibc,czankel/xtensa-uclibc,foss-for-synopsys-dwc-arc-processors/uClibc,groundwater/uClibc,klee/klee-uclibc,ndmsystems/uClibc,hjl-tools/uClibc,ysat0/uClibc,kraj/uClibc,m-labs/uclibc-lm32,hwoarang/uClibc,kraj/uclibc-ng,groundwater/uClibc,waweber/uclibc-clang,czankel/xtensa-uclibc,ndmsystems/uClibc,ffainelli/uClibc,waweber/uclibc-clang,ChickenRunjyd/klee-uclibc,majek/uclibc-vx32,klee/klee-uclibc,mephi42/uClibc,kraj/uClibc,gittup/uClibc,kraj/uclibc-ng,foss-xtensa/uClibc,gittup/uClibc,ffainelli/uClibc,m-labs/uclibc-lm32,groundwater/uClibc,majek/uclibc-vx32,hjl-tools/uClibc,hjl-tools/uClibc,wbx-github/uclibc-ng,groundwater/uClibc,OpenInkpot-archive/iplinux-uclibc,ddcc/klee-uclibc-0.9.33.2,ddcc/klee-uclibc-0.9.33.2,majek/uclibc-vx32,klee/klee-uclibc,ChickenRunjyd/klee-uclibc,OpenInkpot-archive/iplinux-uclibc,foss-for-synopsys-dwc-arc-processors/uClibc,skristiansson/uClibc-or1k,brgl/uclibc-ng,atgreen/uClibc-moxie,mephi42/uClibc,brgl/uclibc-ng,foss-xtensa/uClibc,ffainelli/uClibc,gittup/uClibc,kraj/uClibc,ffainelli/uClibc,ysat0/uClibc,czankel/xtensa-uclibc,skristiansson/uClibc-or1k,ChickenRunjyd/klee-uclibc,kraj/uClibc,groundwater/uClibc,atgreen/uClibc-moxie,brgl/uclibc-ng,atgreen/uClibc-moxie,foss-xtensa/uClibc,wbx-github/uclibc-ng,foss-xtensa/uClibc,mephi42/uClibc,ffainelli/uClibc,ddcc/klee-uclibc-0.9.33.2,gittup/uClibc,ysat0/uClibc,OpenInkpot-archive/iplinux-uclibc,ndmsystems/uClibc,OpenInkpot-archive/iplinux-uclibc,klee/klee-uclibc,ndmsystems/uClibc,czankel/xtensa-uclibc,foss-for-synopsys-dwc-arc-processors/uClibc,wbx-github/uclibc-ng,hwoarang/uClibc,ChickenRunjyd/klee-uclibc,hjl-tools/uClibc,hjl-tools/uClibc,waweber/uclibc-clang,ddcc/klee-uclibc-0.9.33.2,hwoarang/uClibc,wbx-github/uclibc-ng,atgreen/uClibc-moxie,skristiansson/uClibc-or1k,ysat0/uClibc,brgl/uclibc-ng,kraj/uclibc-ng,m-labs/uclibc-lm32,foss-for-synopsys-dwc-arc-processors/uClibc,mephi42/uClibc,skristiansson/uClibc-or1k,majek/uclibc-vx32,kraj/uclibc-ng,m-labs/uclibc-lm32,waweber/uclibc-clang